CN207687138U - A kind of reusable expansion bolt of convenient disassembly - Google Patents
A kind of reusable expansion bolt of convenient disassembly Download PDFInfo
- Publication number
- CN207687138U CN207687138U CN201721805279.6U CN201721805279U CN207687138U CN 207687138 U CN207687138 U CN 207687138U CN 201721805279 U CN201721805279 U CN 201721805279U CN 207687138 U CN207687138 U CN 207687138U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- expander
- expansion
- link block
- threaded rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of reusable expansion bolts of convenient disassembly, including sleeve, one end of the sleeve is fixedly installed sealed piece, multiple umbilicus are uniformly opened up on the peripheral wall of the sleeve, the sleeve is threadedly coupled with threaded rod, the compatible gasket of threaded rod and nut on the threaded rod, one end of the threaded rod is provided with top, the free end of the top is connect with link block, the other end of the link block is evenly arranged with multiple expansion pieces, and each expansion piece is arranged in a one-to-one correspondence with each umbilicus respectively；Each expansion piece includes the first expander and the second expander, one end of first expander is articulated and connected with the other end of the link block, the other end of first expander and one end of second expander are articulated and connected, and one end and the sealed piece of second expander are articulated and connected.The utility model dismounting is very convenient, and the expansion bolt unloaded can also be used next time.
Description
Technical field
The utility model is related to fastener areas more particularly to a kind of reusable expansion bolts of convenient disassembly.
Background technology
Expansion bolt on the market is mainly made of threaded rod, expansion tube, gasket and nut at present, and this expansion bolt makes
Used time first drills out the hole of corresponding size with electric impact drill on fixed body, then in bolt, expansion tube load hole, tightening nut is
Swelling between bolt, tube expansion, installation part and fixed body can be made to be integrally formed.
It is that expansion tube opening one is progressed by the stub end of threaded rod since this expansion bolt is fixed in porthole
It struts to realize in end and by expansion tube, but the presence and expansion tube due to stub end can not restore after strutting, from fixation
Expansion bolt is taken out on body to be inconvenient, and can not be reused.
Utility model content
The purpose of this utility model is to provide a kind of reusable expansion bolt of convenient disassembly, solves in the prior art
Expansion bolt dismounting is inconvenient, the problem of can not reusing.
In order to solve the above technical problems, the utility model adopts the following technical solution：
A kind of reusable expansion bolt of convenient disassembly of the utility model, including sleeve are opened on the sleeve lining
Equipped with internal thread hole, one end of the sleeve is fixedly installed sealed piece, the outer diameter of the outer diameter of the sealed piece and the sleeve
Equal, the sleeve uniformly opens up multiple umbilicus on the peripheral wall at the sealed piece position, and the umbilicus is strip
Through-hole, the one end of the sleeve far from the sealed piece is threadedly coupled with threaded rod, and the threaded rod is located at outside the sleeve
Part be arranged with gasket compatible with the threaded rod and nut successively, the threaded rod is located at one end in the sleeve
It is provided with top, the cross sectional shape of the top is T-shaped, and the free end of the top is connect with link block, the link block
Periphery wall and the internal perisporium of the sleeve between be reserved with gap, one end of the link block and the top connection offers
The other end of the compatible T-slot with the top, the link block is evenly arranged with multiple expansion pieces, each expansion piece point
It is not arranged in a one-to-one correspondence with each umbilicus；Each expansion piece is described including the first expander and the second expander
One end of first expander and the other end of the link block are articulated and connected, the other end of first expander and described second
One end of expander is articulated and connected, and one end and the sealed piece of second expander are articulated and connected.
Further, the end face for coming directly towards the one end contacted with the link block is set as spherical surface.
Further, the number of the umbilicus and the expansion piece is specially four.
Further, the side wall of first expander and the side of second expander far from the sleeve axis
It is disposed as serrated face.
Further, the sealed piece is cone structure.
Further, the sealed piece and the sleeve are integrally formed formula structure.
Further, it is provided on the sealed piece for limiting second expander to the sleeve axis direction
The gag lever post of movement, the gag lever post and each second expander are arranged in a one-to-one correspondence and the gag lever post be set to it is each described
Second expander is close to the side of the sleeve axis.
Compared with prior art, the advantageous effects of the utility model：A kind of convenient disassembly of the utility model offer can
The expansion bolt of reuse, after expansion bolt is installed on fixed body, during gradually tightening the threaded rod, link block
Inner-pressure expansion part makes each expansion piece be expanded outward by the umbilicus, and expansion bolt is made to be integrally formed with fixed body swelling,
Complete the fastening effect of expansion bolt；When needing to unload expansion bolt, only need gradually to back-out threaded rod outward, threaded rod is outside
Drive during back-outing and moved outside the link block, link block drives each expansion piece gradually to reset, wait for threaded rod back-out make it is swollen
After swollen part resets, sleeve can be taken out from fixed body by slight percussion effect, dismounting expansion bolt is very convenient, and
The expansion bolt unloaded can also be used next time.
Description of the drawings
The utility model is described in further detail for explanation below in conjunction with the accompanying drawings.
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model using state structure diagram；
Fig. 3 is the overlooking structure diagram of Fig. 1；
Reference sign：1, sleeve；1-1, umbilicus；2, sealed piece；3, threaded rod；3-1, top；4, gasket；5, spiral shell
It is female；6, link block；6-1, T-slot；7, the first expander；8, the second expander；9, gag lever post；10, fixed body.
Specific implementation mode
As shown in Figure 1-Figure 3, the reusable expansion bolt of a kind of convenient disassembly, including sleeve 1, the sleeve 1 are
Structure with a through-hole, inside offer internal thread, and one end of the sleeve is fixedly installed sealed piece 2, the sealed piece 2
Outer diameter it is equal with the outer diameter of the sleeve 1, in the present embodiment, the sealed piece 2 is specifically configured to taper and the sealing
Part 2 and the sleeve 1 are integrally formed formula structure.
The sleeve 1 uniformly opens up multiple umbilicus 1-1, the umbilicus on the peripheral wall at 2 position of the sealed piece
1-1 is the through-hole of strip, and the one end of the sleeve 1 far from the sealed piece 2 is threadedly coupled with threaded rod 3, the threaded rod 3
Part outside the sleeve 1 is arranged with gasket 4 compatible with the threaded rod 3 and nut 5, the threaded rod 3 successively
One end in the sleeve 1 is provided with top 3-1, and the cross sectional shape of the top 3-1 is T-shaped, the top 3-1
Free end is connect with link block 6, and the end face of one end that the top 3-1 is contacted with the link block 6 is set as spherical surface.The company
It connects and is reserved with certain gap between the periphery wall of block 6 and the internal perisporium of the sleeve 1, moved in sleeve inner convenient for link block
It is dynamic.The link block 6 offers T-slot 6-1 compatible with the top 3-1 with the one end connecting the top 3-1, described
The other end of link block 6 is evenly arranged with multiple expansion pieces, and each expansion piece is corresponded with each umbilicus 1-1 respectively
Setting, the number of the umbilicus 1-1 and the expansion piece is four in the present embodiment.Each the expansion piece includes
First expander 7 and the second expander 8, one end of first expander 7 are articulated and connected with the other end of the link block 6,
The other end of first expander 7 and one end of second expander 8 are articulated and connected, one end of second expander 8
It is articulated and connected with the sealed piece 2.First expander and the side of second expander far from the sleeve axis
Side wall is disposed as serrated face.
It is fixedly welded on the sealed piece 2 and is moved to 2 axis direction of the sleeve for limiting second expander 8
Gag lever post 9, the gag lever post 9 and each second expander 8 are arranged in a one-to-one correspondence and the gag lever post 9 be set to it is each described
Second 8 bodies of expansion are close to the side of 2 axis of the sleeve.
The operation principle of the utility model is：
Expansion bolt is installed on fixed body 10 first, then gradually tightens the threaded rod, the top of threaded rod pushes company
Connect block inwardly to move, and then the link block presses to expansion piece, due to the setting of gag lever post, make each first expander and
Second expander is flared out by the umbilicus, and expansion bolt is made to be integrally formed with fixed body swelling, and tighten the spiral shell
Mother completes the fastening effect of expansion bolt；When needing to unload expansion bolt, only need gradually to back-out threaded rod, threaded rod outward
It drives during back-outing outward and is moved outside the link block, link block drives each expansion piece gradually to reset, and waits for that threaded rod is back-outed
After so that expansion piece is resetted, sleeve can be taken out from fixed body by slight percussion effect.
Embodiment described above is only that the preferred embodiment of the utility model is described, not to the utility model
Range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are new to this practicality
The various modifications and improvement that the technical solution of type is made should all fall into the protection domain of the utility model claims book determination
It is interior.
Claims (7)
1. a kind of reusable expansion bolt of convenient disassembly, it is characterised in that：Including sleeve, opened up on the sleeve lining
There are internal thread, one end of the sleeve to be fixedly installed sealed piece, the outer diameter of the sealed piece is equal with the outer diameter of the sleeve,
The sleeve uniformly opens up multiple umbilicus on the peripheral wall at the sealed piece position, and the umbilicus is the logical of strip
Hole, the one end of the sleeve far from the sealed piece are threadedly coupled with threaded rod, and the threaded rod is located at the portion outside the sleeve
Divide and be arranged with gasket compatible with the threaded rod and nut successively, the threaded rod is located at the setting of one end in the sleeve
There is top, the cross sectional shape of the top is T-shaped, and the free end of the top is connect with link block, outside the link block
Gap is reserved between peripheral wall and the internal perisporium of the sleeve, one end that the link block is connected with the top offers and institute
State the compatible T-slot in top, the other end of the link block is evenly arranged with multiple expansion pieces, each expansion piece respectively with
Each umbilicus is arranged in a one-to-one correspondence；Each expansion piece includes the first expander and the second expander, and described first
One end of expander and the other end of the link block are articulated and connected, and the other end of first expander is expanded with described second
One end of body is articulated and connected, and one end and the sealed piece of second expander are articulated and connected.
2. the reusable expansion bolt of convenient disassembly according to claim 1, it is characterised in that：The top and institute
The end face for stating one end of link block contact is set as spherical surface.
3. the reusable expansion bolt of convenient disassembly according to claim 1, it is characterised in that：The umbilicus and
The number of the expansion piece is specially four.
4. the reusable expansion bolt of convenient disassembly according to claim 1, it is characterised in that：First expansion
Body and the side wall of the side of second expander far from the sleeve axis are disposed as serrated face.
5. the reusable expansion bolt of convenient disassembly according to claim 1, it is characterised in that：The sealed piece is
Cone structure.
6. the reusable expansion bolt of convenient disassembly according to claim 1, it is characterised in that：The sealed piece with
The sleeve is integrally formed formula structure.
7. the reusable expansion bolt of convenient disassembly according to claim 1, it is characterised in that：On the sealed piece
Be provided with the gag lever post moved to the sleeve axis direction for limiting second expander, the gag lever post with it is each described
Second expander is arranged in a one-to-one correspondence and the gag lever post is set to each second expander close to the one of the sleeve axis
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721805279.6U CN207687138U (en) | 2017-12-21 | 2017-12-21 | A kind of reusable expansion bolt of convenient disassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721805279.6U CN207687138U (en) | 2017-12-21 | 2017-12-21 | A kind of reusable expansion bolt of convenient disassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207687138U true CN207687138U (en) | 2018-08-03 |
Family
ID=62994986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721805279.6U Expired - Fee Related CN207687138U (en) | 2017-12-21 | 2017-12-21 | A kind of reusable expansion bolt of convenient disassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207687138U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825634A (en) * | 2018-08-27 | 2018-11-16 | 安徽西马新能源技术有限公司 | A kind of bilayer anti-avulsion fastening assembly |
| CN109139642A (en) * | 2018-11-09 | 2019-01-04 | 浙江天开实业有限公司 | A kind of easily take off takes expansion tube |
| CN111042363A (en) * | 2019-12-30 | 2020-04-21 | 浙江辉腾建设有限公司 | Building heat preservation outer wall |
| CN112049848A (en) * | 2020-10-01 | 2020-12-08 | 庞长青 | But reuse's expansion bolts |
| CN112127502A (en) * | 2020-09-24 | 2020-12-25 | 华北水利水电大学 | Building structure outer wall with greening and environment-friendly functions |
| CN112343914A (en) * | 2019-03-04 | 2021-02-09 | 李吴军 | Self-locking screw suitable for blind hole implantation |
| CN112610862A (en) * | 2020-12-08 | 2021-04-06 | 华北科技学院 | Alarm device used under coal mine |
| CN112628261A (en) * | 2020-12-27 | 2021-04-09 | 冯建娟 | Expansion screw |
| CN113417917A (en) * | 2021-05-27 | 2021-09-21 | 中国航空工业集团公司沈阳飞机设计研究所 | Aircraft skin coupling assembling |
| CN114905482A (en) * | 2022-05-24 | 2022-08-16 | 山东赛瓦特动力设备有限公司 | Photovoltaic intelligent installation robot |
| CN115076198A (en) * | 2022-07-15 | 2022-09-20 | 海口柯石五金有限责任公司 | Bolt |
| CN115143176A (en) * | 2022-07-01 | 2022-10-04 | 北京城建七建设工程有限公司 | Self-drilling recyclable expansion bolt and mounting method thereof |
-
2017
- 2017-12-21 CN CN201721805279.6U patent/CN207687138U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825634A (en) * | 2018-08-27 | 2018-11-16 | 安徽西马新能源技术有限公司 | A kind of bilayer anti-avulsion fastening assembly |
| CN109139642A (en) * | 2018-11-09 | 2019-01-04 | 浙江天开实业有限公司 | A kind of easily take off takes expansion tube |
| CN112343914A (en) * | 2019-03-04 | 2021-02-09 | 李吴军 | Self-locking screw suitable for blind hole implantation |
| CN111042363A (en) * | 2019-12-30 | 2020-04-21 | 浙江辉腾建设有限公司 | Building heat preservation outer wall |
| CN112127502A (en) * | 2020-09-24 | 2020-12-25 | 华北水利水电大学 | Building structure outer wall with greening and environment-friendly functions |
| CN112127502B (en) * | 2020-09-24 | 2022-01-28 | 华北水利水电大学 | Building structure outer wall with greening and environment-friendly functions |
| CN112049848A (en) * | 2020-10-01 | 2020-12-08 | 庞长青 | But reuse's expansion bolts |
| CN112610862A (en) * | 2020-12-08 | 2021-04-06 | 华北科技学院 | Alarm device used under coal mine |
| CN112628261B (en) * | 2020-12-27 | 2022-05-17 | 嘉兴海德五金有限公司 | Expansion screw |
| CN112628261A (en) * | 2020-12-27 | 2021-04-09 | 冯建娟 | Expansion screw |
| CN113417917A (en) * | 2021-05-27 | 2021-09-21 | 中国航空工业集团公司沈阳飞机设计研究所 | Aircraft skin coupling assembling |
| CN114905482A (en) * | 2022-05-24 | 2022-08-16 | 山东赛瓦特动力设备有限公司 | Photovoltaic intelligent installation robot |
| CN115143176A (en) * | 2022-07-01 | 2022-10-04 | 北京城建七建设工程有限公司 | Self-drilling recyclable expansion bolt and mounting method thereof |
| CN115143176B (en) * | 2022-07-01 | 2023-08-15 | 北京城建七建设工程有限公司 | Expansion bolt capable of being used in turnover mode and self-hole forming mode and mounting method of expansion bolt |
| CN115076198A (en) * | 2022-07-15 | 2022-09-20 | 海口柯石五金有限责任公司 | Bolt |
| CN115076198B (en) * | 2022-07-15 | 2024-04-12 | 宁波九龙创展紧固件股份有限公司 | Bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 Termination date: 20181221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |